. For blocking calls and texts | Cell phone jammer app

Cell phone jammer app for blocking calls and texts

A cell phone jammer is a device designed to block or disrupt mobile phone signals within a certain area by transmitting interference on the same radio frequencies used for communication. Once activated, it can prevent calls, text messages, and mobile data from being sent or received, depending on the surrounding network conditions and signal strength.

Cell phone jammer app can be used in exam rooms, meeting rooms, theaters, and other security locations where wireless signals need to be controlled to block calls and text messages. They are also sometimes applied in testing environments to evaluate network performance or prevent external signal interference in sensitive operations.

Handheld GSM Cellular signal jammers supporting WiFi or GPS blocking
Save up to $90.16
P6 Portable 6-antenna GSM Cellular Jammer, Blocks WiFi 2.4G or GPS L1 Signals (20m)
Discover the P6 portable 6-band GSM Cellular Jammer with up to 3W output power and 2–20m shielding range. Available in WiFi or GPS blocking configurations with independent channel switches and LED indicators.
16 antenna 18 bands Portable Cellular signal jammer
Save up to $570.34
N-X16P - Bestseller 16 antenna 18 bands handheld cellular Jammer device
The bestseller N-X16P Portable 5G Jammer features an LCD display, dual-band design, and 18 jamming channels, ensuring effective signal blocking, broad coverage, and enhanced portability.
Portable 4G and A-GPS signal Jammer
Save up to $332.18
GPC-6 - 6 bands Handheld A-GPS Satellite navigation and 4G cell phone Jammer
The GPC-6 Jammer blocks 4G mobile internet and A-GPS satellite signals within a 20-meter radius, ensuring secure communication by preventing data transmission and reception.
Handheld Military Camouflage phone network Jammer
Save up to $267.7
M-N6 - Handheld Military Camouflage mobile network Jammer
Compared with the entry-level signal Blocker P-6L, the portable cell phone blocker M-N6 achieves an excellent camouflage effect with its camouflage appearance loved by military fans. The M-N6 is the only portable jammer with six frequency bands and an LCD display, showcasing the rapid advancement of signal-blocking technology.
portable GSM 5G Cellular signal jammer Blocker
Save up to $230
P-B12 - 12 Bands Cellular signal Blocker (10W)
The P-B12 portable cell Blocker Jammer with 12 antennas and 10W power, blocks 2G-5G, GPS, N-AMPS, AMPS, and GLONASS signals within 20 meters. It disrupts devices like smartphones, GPS, Wi-Fi, and bugs, runs up to 1 hour on battery, and features a cooling system to prevent overheating.
Powerful 6 bands cellular wifi jammer
Save up to $506
UH-T06 - Powerful GSM cell phone and wifi Jammer - 90Watt
The UH-T06 is a powerful frequency-based jammer designed to disrupt cellular networks, Wi-Fi 2.4 GHz, internet access, and Bluetooth signals. It offers omnidirectional suppression using high-gain pin antennas, ensuring effective signal blocking in all directions. The coverage range can be precisely adjusted with dedicated regulators for each frequency band, allowing users to customize signal interference as needed.
Desktop cell phone signal Silencer with dual silent turbo fans for quiet operation
Save up to $208.23
D-C10 50W Stationary Cell Phone Jammer – 10 bands (2G–5G, GPS & WiFi)
The D-C10 desktop cell phone jammer offers 50W high-power interference across 10 channels, blocking mobile, GPS, and Wi-Fi signals. Plug-and-play, compact, and wall-mountable with adjustable omnidirectional antennas.
powerful Cell GSM 3G directional Antenna jamming device
Save up to $727.09
120W Cell Phone Signal Blocker for All Major (GSM、CDMA、PCS、DCS、3G) Networks
The FS120W directional Antenna mobile GSM 3G jamming device blocks cell signals in sensitive areas like prisons or government sites with pro-level performance and easy operation.
Portable mobile cell GPS LoJack WiFi jammer blocker
Save up to $531.42
P-12N - Portable 5G Communication Jammer, GPS WiFi signal blocker
The P-12N is a 12-band portable jammer that blocks 42 radio communication standards within a 25-meter range. It disrupts satellite positioning, WiFi, and cellular networks, preventing calls and data transmission. Its built-in battery provides up to one hour of peak performance.
8 bands Stationary 5G cell phone jamming device
Save up to $453
T-N8 - 8 bands Stationary 5G cell phone Jammer blocker (20W)
The T-N8 mobile phone jamming device blocks 8 communication standards, including 3G, 4G, 5G, WiFi, and GPS, within a 30m radius. It offers selective suppression, 24/7 operation, and works on 220V or a car power source, ensuring privacy and security in offices, meetings, or personal spaces.
Portable Multi-Frequency Compact Jammer With remote control
Save up to $273.1
30M RF remote control Portable Multi-Frequency Mobile Network Jammer
The 10XL is a portable signal jammer blocking 31 signal types, including U.S. cell, GPS, and WiFi, with remote activation and built-in battery power.
Cell phone jammers with LCD display, jamming range up to 40m
Save up to $233.83
P-12PM 37W Portable 5G Cell Jammer with 12 Antennas, WiFi & GPS Blocking
Discover the P-12PM portable 12 band 5G signal jammer with 37W output power, LCD display, selective band control, and up to 40M coverage. Supports blocking 5G, 4G LTE, WiFi 2.4G/5G, and GPS L1 signals with built-in cooling fans and rechargeable battery.
Handheld portable jamming device blocking WiFi, GPS, Lojack, and cell phone signals
Save up to $316.34
J10P 10W Portable Signal Jammer – Silver | Cell Phone, GPS & WiFi Blocker
The J10P 10W portable signal jammer blocks 5G, 4G, 3G, GPS, Lojack, WiFi, and cell phone signals. Compact and handheld, with a 12,000 mAh battery and multi-band control, it delivers stable 10W output and effective coverage up to 25 meters, ensuring comprehensive interference for mobile communications and location signals.
low-noise cooling system T-N8V desktop cell signal jammers
Save up to $187.23
Best Selling Classic Silve Multi-Band Desktop Cell Signal Jammer with 8 Antennas
The T-N8V stationary cellphone jamming device provides stable multi-band blocking for 2G, 3G, 4G, WiFi, and GPS. Features 8 omnidirectional antennas, low-noise cooling, and a sleek silver design, ensuring continuous, quiet operation in offices, classrooms, and sensitive indoor environments.
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Important things

1.Please install the antenna before using the signal jammers

2.Most Portable cell phone jammers have dip switches on the side. After turning on the main power switch, activate the dip switch—the red or green light will indicate it's on. Each switch controls a specific signal (Refer to the frequency table on the packaging for details).

3.Avoid using the jammer while charging.

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